TJ Mechanical engineering and machinery 29 TA Engineering (General). Civil engineering (General) 26 TK Electrical engineering. Electronics Nuclear engineering 15 QA75 Electronic computers. Computer science 10 QA Mathematics 5 QH Natural history 5 TP Chemical technology 5 TH Building construction 4 G70.212-70.215 Geographic information system 3 NA Architecture 3 3-dimensional knit 2 Cost effectiveness 2 Costs. Industrial costs 2 HD1394-1394.5 Real estate management 2 HE Transportation and Communications 2 LB Theory and practice of education 2 Localization 2 Q Science (General) 2 Spiking neural networks 2 T Technology (General) 2 Textile design 2 Vibration 2 3-dimensional Fashion Knitwear 1 316L stainless steel 1 3D character design 1 3D printing 1 3D shaped composite material 1 60NiTi 1 Abdominal Aortic Aneurysm 1 Achilles tendon 1